Agilent Technologies Inc.
Merck KGaA
Waters Corporation
Biotage
AccuStandard
PerkinElmer Inc.
Thermo Fisher Scientific Inc.
Phenomenex Inc.
Shimadzu Corporation
Restek Corporation
Avantor Inc.
Intertek Group plc
SCIEX
ALS Laboratories (UK) Ltd
SGS Soci?t? G?n?rale de Surveillance SA.